Battery pack



FIG. 1 is a front, top perspective view of a battery pack;

FIG. 2 is a front, bottom perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a back elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a left side elevation view thereof;

FIG. 7 is a top elevation view thereof; and,

FIG. 8 is a bottom elevation view thereof.

The broken lines in the drawings are included for the purpose of illustrating unclaimed elements of the battery pack and form no part of the claimed design. 

CLAIM The ornamental design for a battery pack, as shown and described. 